On Fri, May 21, 1999 at 06:13:12PM +0200, Dietmar Stein wrote:
> Hi
>
...
> Readperformance will only increase by using raid0 (stripe), but it will
> not be twice times faster.
Not quite true.
raid-1 also increases read performance. It can do reads just like raid0,
because both disks contain the same data. It doesn't read the same block
from both disks and compare, instead it reads like from a stripe set (raid0).
At least that's the theory. Your points about several drives on the same
bus etc. are ofcourse valid. If two IDE disks are put on _separate_ busses
and the IDE chipset doesn't stink too much, you should see good read performance
both from raid0 and raid1.
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